Vehicle-wheel.



VEHICLE WHEEL.

APPLICATION FILED JUNE 1, 1910.

1,056,055. Patented Mar. 1 8, 1913.

0. PU'TZ.

VEHICLE WHEEL.

APPLICATION FILED JUNE 1, 1910.

Patented Mar. 18, 1913.

3 $HEETS-SHEET Z.

I 0. Pii'rz. VEHICLE WHEEL.

APPLIOATION FILED JUNE 1, 1910.

1&56955. Patented Mar. 18,1913.

3 SHEET$-SHEET 3.

M H Mu o'n'rrsn srarns PATEn rmon.

$332.11 P'll'IZ, F SQLlIllGEN,"GEBMANY, ASSIGNOR '10 TH. KIESERLING, OF SOLINGEN,

I GER-MANY.

VEHICLE-WHEEL.

Application filed June 1, 1910. serial no. 554,400.

Ill. (ZZZ- 01 1 0m 2' may concern ct novel construction with exchangeable rim,

in which a ready usseml'ilage of the spokes and run may he effected in such a manner the parts become firmly un1te'd and merit of the parts is'prcvented in a reliable liner.

in the acccompanying drawings: Figure .1 s a side elevation partly in section of a .iele wheel embodying my invention; Fig. 52 an end view partly in section thereof; 3 a side view of the coupling showing closed; Fig. 4 an end view thereof; Fig. 5 do View or" the" cm ing show ng it. open; 7 a' icle wheel .'3E1'3(1; Fig; 8 a horizontal central -,,tion partly in plan of '7, showokes and rim firmly unitee, Fig. 9 a u'nlar vlew showing the parts before being htened; Fig. 16 a cross section through "UliQ- of another vehicle wheel, embodyinvention, with the SPOll'} and lim- F parts before being tightened, 12 a section through the spoke of another "hicle wheel, embodying the invention, and 13 a plan of the coupling. I

Opposite spokes a, the wheel rim '0 is prov ded with similarly shaped studs l) extend inwardly from said rim. If the spokes and studs are formed from wood or tubing, the outer spoke ends as well as the studs titted with caps to prevent any damage. to said parts while assembling or dismantling the same. The outer ends of the spokes and the innerfaces of the studs have bevel-ed wearing faces which all lie in the surface of a cone, the axis of which coincides with the wheel axis, said wearing surfaces being indicated by dotted lincs'in Figs. 1 and 9. I The endsof spokes (Land studs Z), (or their caps, when the latter are employed) are embracedby suitable couplings e, the latter h .'-..g adapted to unite both parts into a solid wheel structure, Wedgmg the wheel eenterinto theri'm. The couplings e are:

Specification of Letters Patent.

e itltnown that I, CARL Piirz, a citizen ed and that an accidental disengage l1 s. similar section showing Patented Mar. 18, 1913.

movable along the spokes, so that they may be readily moved away from the wearing faces of theparts a, b, when the coupling is slightly loosened. hen the couplings are advanced to encompass the joints, the latter will be efi'ectively protected from dirt. lVhen the couplings are retracted from the joints they will be carried upon the spokes, so that they are not liable to become lost. After the retraction of the couplings the wheel rim may be readily removed, and a new rim may be fitted in position.

, The wheelcent-er is so fitted into rim 0,

that each spoke tr is alined with n stud 5. During assemblage, the partswill have the position indicated on the night side of Figs. 2 and 9 and in Fig. 11. After moving the couplings cover the studs 7), and'tightening them up, the wheel center will be driven into rim 0, so that the cooperating spokes and studs will become uXia-lly alined, as indicated on.- the left side of Figs. 2 and 8, and in. Fig. 10. In this way, the wheel center will he firmly wedged into the rim, sothat a solid wheel structure will be obtained.

- As in use, the ends of spokes a, and studs b,'contact with ttlCll OilHil, the couplings a are relieved from direct vertical pressure of the wheel, and during the rot-a-tion of thelatter they are freely subjected to centrifugal action, so that they are forced against the rim and blocked in position. If the spoke ends and. the studs, or the studs alone are made c'onitorm, the centrifugal force besides securing the couplings in position, also tightens up their connect-ions, so that the stability of the wheel is increased. with an increase in speed.

l t" the ends of the spokes are made cylin drioal or prismatic, the co. plings may he made in two parts (Figs. 'l--6)' which are connected by means of screws. During the rotation of the wheel, the centrifugiiil force will press the couplings radially against the rim, so that they become arrested, By slacking the screws, the couplings may be withdrawn, so that 'a newrim may be 'applied. If the ends of the spokes and the studs are made conical, the inner faccsof the con plings should be made correspondingly conical, and each of the couplings may be made in a single piece (Figs. the couplings conical, while the spoke ends are made cylindrical or prislna-ticl' During action, the couplings are here also arrested in position by centrifugal force' which drives them against the telly. It the ends of the spokes are threaded, while the studs are coniform, the inner faces of the couplings are correspondingly partly threaded and partly coniform (Figs. 10 and 11). The coupling may be readily moved by a wrench.

While screwing on the coupling, the rim is pressed late ally against the spoke end, the thread of the spoke not being designed to impart a tension to the rim, but merely to wedge the rim sidewise tightly against the spoke for which reason a multiple thread of high pitch may he used. The coupling will have become seated as soon as it abuts against the rim. During action, the centrifugal force will press the couplings against the rim, as they are relieved from direct vertical wheel pressure, so that they will become arrested. In assembling the parts, the screwing of the couplings over the studs will cause the rim to become automatically' centered in a radial and an axial direction and to become firmly united to the wheel cent-er.

If the spoke ends and the studs are made cylindrical or prismatic, the couplings may be composed of several parts (Figs. 12 and 13). In orderto secure the coupling in po-- sition, it is provided with an elbow lever p whiehwhen swung up as shown in Fig. 12, is effectively arrested.

I claim 1. In a vehicle wheel, a rim having beveled studs, spokes having beveled ends engaging the studs, the bevels of the studs and spoke-ends lying in the surface of a cone, the axis of which coincides with the wheel axis, and couplings adapted to drive together both parts of the wheel and to conple the spoke-ends with the studs, said couplings being slidable along the spokes, relieved from direct vertical pressure of the wheel and so subjected by rotation to the free action of centrifugal force that the lat ter insures a secure connection of the coupled parts.

2. 1m a vehicle wheel, a rim having beveled studs, spokes haying beveled ends engaging the studs, the studs being coniform and the spoke-ends being threaded, couplings having correspondingly beveled and threaded inner faces the couplings being movable upon the spokes-,relieved from direct vertical pressure of tllGiiXYllGOl and subjected during rotation to the-free action of centrifugal force to insure a secure connection.

' CARL ri'jrrz. 1,. 8.]

Witnesses:

Or'ro KGNIG, WALTER Vonnnorrr. 

